The Citi PremierMiles Card's transfer partner variety, lounge access and travel insurance make it a solid option, though it's lost its Citi PayAll trump card.
21 transfer partners, free instant conversions, small conversion blocks and up to 8 lounge visits in the first year are held back by a glacial earning pace
While 5.6 mpd on fast food, streaming and SimplyGo sounds good on paper, the likelihood of orphan miles means the Smart Card might be a better cashback card.
The AMEX Platinum Credit Card isn't a great choice for day-to-day spend, but its big first year value means you should consider at least a brief fling.